Orange Pi5 kernel

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (c) 2015 Tom Herbert <tom@herbertland.com>
 */
 
#ifndef __ILA_H
#define __ILA_H
 
#include <linux/errno.h>
#include <linux/ip.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/socket.h>
#include <linux/skbuff.h>
#include <linux/types.h>
#include <net/checksum.h>
#include <net/genetlink.h>
#include <net/ip.h>
#include <net/protocol.h>
#include <uapi/linux/ila.h>
 
struct ila_locator {
<------>union {
<------><------>__u8            v8[8];
<------><------>__be16          v16[4];
<------><------>__be32          v32[2];
<------><------>__be64		v64;
<------>};
};
 
struct ila_identifier {
<------>union {
<------><------>struct {
#if defined(__LITTLE_ENDIAN_BITFIELD)
<------><------><------>u8 __space:4;
<------><------><------>u8 csum_neutral:1;
<------><------><------>u8 type:3;
#elif defined(__BIG_ENDIAN_BITFIELD)
<------><------><------>u8 type:3;
<------><------><------>u8 csum_neutral:1;
<------><------><------>u8 __space:4;
#else
#error  "Adjust your <asm/byteorder.h> defines"
#endif
<------><------><------>u8 __space2[7];
<------><------>};
<------><------>__u8            v8[8];
<------><------>__be16          v16[4];
<------><------>__be32          v32[2];
<------><------>__be64		v64;
<------>};
};
 
#define CSUM_NEUTRAL_FLAG	htonl(0x10000000)
 
struct ila_addr {
<------>union {
<------><------>struct in6_addr addr;
<------><------>struct {
<------><------><------>struct ila_locator loc;
<------><------><------>struct ila_identifier ident;
<------><------>};
<------>};
};
 
static inline struct ila_addr *ila_a2i(struct in6_addr *addr)
{
<------>return (struct ila_addr *)addr;
}
 
struct ila_params {
<------>struct ila_locator locator;
<------>struct ila_locator locator_match;
<------>__wsum csum_diff;
<------>u8 csum_mode;
<------>u8 ident_type;
};
 
static inline __wsum compute_csum_diff8(const __be32 *from, const __be32 *to)
{
<------>__be32 diff[] = {
<------><------>~from[0], ~from[1], to[0], to[1],
<------>};
 
<------>return csum_partial(diff, sizeof(diff), 0);
}
 
static inline bool ila_csum_neutral_set(struct ila_identifier ident)
{
<------>return !!(ident.csum_neutral);
}
 
void ila_update_ipv6_locator(struct sk_buff *skb, struct ila_params *p,
<------><------><------>     bool set_csum_neutral);
 
void ila_init_saved_csum(struct ila_params *p);
 
struct ila_net {
<------>struct {
<------><------>struct rhashtable rhash_table;
<------><------>spinlock_t *locks; /* Bucket locks for entry manipulation */
<------><------>unsigned int locks_mask;
<------><------>bool hooks_registered;
<------>} xlat;
};
 
int ila_lwt_init(void);
void ila_lwt_fini(void);
 
int ila_xlat_init_net(struct net *net);
void ila_xlat_exit_net(struct net *net);
 
int ila_xlat_nl_cmd_add_mapping(struct sk_buff *skb, struct genl_info *info);
int ila_xlat_nl_cmd_del_mapping(struct sk_buff *skb, struct genl_info *info);
int ila_xlat_nl_cmd_get_mapping(struct sk_buff *skb, struct genl_info *info);
int ila_xlat_nl_cmd_flush(struct sk_buff *skb, struct genl_info *info);
int ila_xlat_nl_dump_start(struct netlink_callback *cb);
int ila_xlat_nl_dump_done(struct netlink_callback *cb);
int ila_xlat_nl_dump(struct sk_buff *skb, struct netlink_callback *cb);
 
extern unsigned int ila_net_id;
 
extern struct genl_family ila_nl_family;
 
#endif /* __ILA_H */